DELETE FROM cmi_comment ; 
DELETE FROM cmi_correct_response ; 
DELETE FROM cmi_interaction ; 
DELETE FROM cmi_node ; 
DELETE FROM cmi_objective ; 
DELETE FROM cp_auxilaryResource ; 
DELETE FROM cp_condition ; 
DELETE FROM cp_dependency ; 
DELETE FROM cp_file ; 
DELETE FROM cp_hideLMSUI ; 
DELETE FROM cp_item ; 
DELETE FROM cp_manifest ; 
DELETE FROM cp_mapinfo ; 
DELETE FROM cp_node ; 
DELETE FROM cp_objective ; 
DELETE FROM cp_organization ; 
DELETE FROM cp_package ; 
DELETE FROM cp_resource ; 
DELETE FROM cp_rule ; 
DELETE FROM cp_sequencing ; 
DELETE FROM cp_tree ; 
VACUUM ; 
